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HelpPowassan Virus, RNA, Molecular Detection, PCR, Spinal Fluid
Additional Codes
LAB2713
Ordering Guidance
The Powassan virus polymerase chain reaction result may remain positive for a longer time in urine than in blood, serum, and cerebrospinal fluid (7 days or more).
Specimen Required
Container/Tube: Sterile vial
Specimen Volume: 1 mL
Collection Instructions:
1. Send specimen from collection vial 2.
2. Do not centrifuge or heat inactivate.
Special Instructions
Specimen Type
CSFSpecimen Minimum Volume
0.3 mL
Specimen Stability Information
| Specimen Type | Temperature | Time |
|---|---|---|
| CSF | Refrigerated (preferred) | 7 days |
| Frozen | 7 days |
Reference Values
Negative
Day(s) Performed
Monday through Friday
Report Available
Same day/1 to 5 daysSpecimen Retention Time
7 daysPerforming Laboratory
Mayo Clinic Laboratories in Rochester
CPT Code Information
87798
LOINC Code Information
| Test ID | Test Order Name | Order LOINC Value |
|---|---|---|
| POWVC | Powassan Virus, PCR, CSF | 34457-2 |
| Result ID | Test Result Name | Result LOINC Value |
|---|---|---|
| 617489 | Lineage 1 | 34457-2 |
| 618145 | Lineage 2 (Deer Tick Virus) | 34457-2 |
| 618149 | Powassan Virus PCR Comment | 77202-0 |
Forms
If not ordering electronically, complete, print, and send a Microbiology Test Request (T244) with the specimen.